Tags: Protein.
Prolactin-inducible protein also known as gross cystic disease fluid protein 15 (GCDFP-15) extra-parotid glycoprotein (EP-GP) gp17 seminal actin-binding protein (SABP) or BRST2 is a protein that in humans is encoded by the PIP gene. It is upregulated by prolactin and androgens and downregulated by estrogen.